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INVESTMENTS (Details) - Summary of Gross Unrealized Losses and Fiar Value of Available-for-Sale Investments - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	$ 1,030	$ 0
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	(103)	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0	95
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0	(5)
Available-for-sale securities, continuous unrealized loss position, fair value, total	1,030	95
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	(103)	(5)
Common Stock - Domestic [Member]
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, fair value, total	0	0
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	0	0
Common Stock - International [Member]
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	39	0
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	(94)	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, fair value, total	39	0
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	(94)	0
Corporate Debt Securities [Member]
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, fair value, total	0	0
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	0	0
Fixed Income Securities [Member]
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	991	0
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	(9)	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0	95
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0	(5)
Available-for-sale securities, continuous unrealized loss position, fair value, total	991	95
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	(9)	(5)
Mutual Funds, Domestic Equity [Member]
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, fair value, total	0	0
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	0	0
Other Securities [Member]
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0	0
Available-for-sale securities, continuous unrealized loss position, fair value, total	0	0
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	$ 0	$ 0

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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

+ References

No definition available.

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- Definition

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

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